/Engine/Plugins/Experimental/Animation/ContextualAnimation/Source/ContextualAnimationEditor/Public/ContextualAnimEdMode.h
virtual bool InputKey ( [FEditorViewportClient](API\Editor\UnrealEd\FEditorViewportClient) * ViewportClient, [FViewport](API\Runtime\Engine\FViewport) * Viewport, [FKey](API\Runtime\InputCore\FKey) Key, EInputEvent Event )